Italian protocol for massive solar integration: Imbalance mitigation strategies
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This article proposes two strategies for the mitigation of power imbalances and related costs resulting from increasing PV penetration onto the Italian grid. New “state of the art” solar and netload day ahead forecast models were developed and applied to real data. These strategies consist of: (1) Improving the accuracy of PV and net load power forecast and enlarging the footprint of the controlled grid area; (2) Transforming unconstrained PV plants into “flexible PV plants”: remotely controlled PV plants that can be proactively curtailed and work with cost-optimized Battery Energy Storage Systems. We demonstrate that the first strategy can effectively limit the imbalance impact when integrating a large share of PV generation, reducing imbalance volumes and costs, both at current and future solar penetration levels. We further demonstrate that the second strategy can entirely eliminate the imbalance impact of PV penetration, hence providing operational certainty to the TSO. Indeed, we show how flexible PV plants can be cost-optimally sized to set the imbalance volume at a desired target value regardless of PV installed capacity, hence allowing massive solar penetration. Finally, we show that the cost of implementing these strategies is less than the current cost of handling such imbalance impacts.
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van der Aalst WMP; Adriansyah A; Alves De Medeiros AK; Arcieri F; Baier T; Blickle T; Jagadeesh Chandra Bose RP; van den Brand P; Brandtjen R; Buijs JCAM; Burattin A; Carmona J; Castellanos M; Claes J; Cook J; Costantini N; Curbera F; Damiani E; De Leoni M; Delias P; van Dongen BF; Dumas M; Dustdar S; Fahland D; Ferreira DR; Gaaloul W; van Geffen F; Goel S; Gunther CW; Guzzo A; Harmon P; ter Hofstede AHM; Hoogland J; Ingvaldsen JE; Kato K; Kuhn R; Kumar A; La Rosa M; Maggi FM; Malerba D; Mans RS; Manuel A; Mccreesh M; Mello P; Mendling J; Montali M; Nezhad HRM; zur Muehlen M; Munoz-Gama J; Pontieri L; Ribeiro J; Rozinat A; Perez HS; Perez RS; Sepulveda M; Sinur J; Soffer P; Song M; Sperduti A; Stilo G; Stoel C; Swenson KD; Talamo M; Tan W; Turner C; Vanthienen J; Varvaressos G; Verbeek E; Verdonk M; Vigo R; Wang J; Weber B; Weidlich M; Weijters T; Wen L; Westergaard M; Wynn MT (Springer, 2011)Process mining techniques are able to extract knowledge from event logs commonly available in today’s information systems. These techniques provide new means to discover, monitor, and improve processes in a variety of ...
From Day-Ahead PV Forecast to PV Regulation: Imbalance Mitigation Strategies for the Italian Case Study Pierro M; Moser D; Perez R; Perez M; Cornaro C (2019)At: 36th EU PVSEC European Solar Energy Conference and Exhibition ; Marseille ; 9.9.2019 - 13.9.2019 ; This study deals with the increase of power imbalance and its related cost due to the growth of solar penetration. We ...
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